Circuit Breakers

 Circuit Breakers
Circuit breakers are in stock with same-day shipping at Mouser from leading manufacturers. Mouser is an authorized distributor for many circuit breaker manufacturers including ABB, Carling Technologies, Eaton, E-T-A Circuit Breakers, Phoenix Contact, Sensata, Schurter, Siemens, TE Connectivity & more.
More...


Please view our large selection of circuit breakers below.

Results: 151,466
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Product Type Current Rating Voltage Rating AC Voltage Rating DC Number of Poles Actuator Type Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
Altech Circuit Breakers 32A Z Characteristic UL 508 1 POLE 12In Stock
Min.: 1
Mult.: 1

UM 32 A 277 VAC 24 VDC 1 Pole Handle - 25 C + 55 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 30 A 1 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers 1 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr, HydMag, 2 pl, 250VAC,32A 2In Stock
Min.: 1
Mult.: 1
Circuit Breakers 30 A 3 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr, HydMag, 3 pl, 250VAC,30A, 65VDC VT 2In Stock
Min.: 1
Mult.: 1

IEG 30 A 250 VAC 3 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
IUGH Circuit Breakers 5 A 3 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
IUGN Circuit Breakers 2.5 A 1 Pole Toggle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
IAL/IDL/IML/IUL Circuit Breakers Hydraulic Magnetic 5 A 1 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
LEL/LML Circuit Breakers Hydraulic Magnetic 50 A 1 Pole Rocker Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 3In Stock
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 20 A 1 Pole Paddle - 40 C + 85 C
ABB Circuit Breakers YO-C XT5-XT6 110.240VAC-110.250VDC 3In Stock
Min.: 1
Mult.: 1
ABB Circuit Breakers MCB S200MUC 3P C 6A AC/DC 3In Stock
Min.: 1
Mult.: 1
Circuit Breakers 6 A 3 Pole
ABB Circuit Breakers UL489 MCB 3P Z 63A 240 2In Stock
Min.: 1
Mult.: 1
SU200M Circuit Breakers 63 A 3 Pole
ABB Circuit Breakers MCB SUP200M 3P K 30A UL 489 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 30 A 400 VAC 3 Pole Handle Non-Illuminated
IDEC Circuit Breakers Circuit Protector 15A 5In Stock
Min.: 1
Mult.: 1

NRA Circuit Breakers Magnetic 15 A 250 VAC 65 VDC 2 Pole Lever - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers AC PEM, w/ 1 pole , 8A, black pushbutton, C14 inlet, pre-wired 10In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 8 A 250 VAC 1 Pole Push to Reset - 25 C + 60 C Non-Illuminated
E-T-A Circuit Breakers AC PEM, w/ recessed 1 pole , 8A, black pushbutton, C14 inlet, pre-wired 7In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Overcurrent Protection 8 A 250 VAC 1 Pole Push to Reset - 25 C + 60 C Non-Illuminated


E-T-A Circuit Breakers Bimetal operated single pole motor protection controls with automatic reset actuation, small physical size, reliable snap-action mechanism. Caution: In specifying these 2 products, care should be taken to ensure that automatic motor 10In Stock
Min.: 1
Mult.: 1
2-6500 Circuit Breakers Overcurrent Protection


E-T-A Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit 7In Stock
Min.: 1
Mult.: 1
482-G Thermal Circuit Breakers 20 A 115 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
E-T-A Circuit Breakers Single pole high performance thermal circuit breaker, with push-to-reset tease free, trip-free snap action mechanism (R-type TO CBE to EN 60934). Designed for threadneck panel mounting and for applications with a high fault current sw 6In Stock
Min.: 1
Mult.: 1
4130 Thermal Circuit Breakers Thermal Magnetic Push-Pull
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, B, 1.6A 1In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 489, 1P, DM, 277VAC/60VDC, C, 12A 2In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit 9In Stock
Min.: 1
Mult.: 1

482 Thermal Circuit Breakers Thermal 4.5 A 125 VAC 28 VDC 1 Pole Push-Pull - 55 C + 75 C Non-Illuminated
E-T-A Circuit Breakers MoQ=10 1077, 1p, DIN, 80VDC Med Delay, N/O Aux, 30A 8In Stock
Min.: 1
Mult.: 1

8340-T Hydraulic Magnetic Circuit Breakers Thermal Magnetic 30 A 240 VAC, 415 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers MoQ=10 1077, 1p, DIN, 80VDC Long Delay, N/O Aux, 8A 4In Stock
Min.: 1
Mult.: 1

8340-T Hydraulic Magnetic Circuit Breakers Thermal Magnetic Toggle